Arizona Western College welding student Trisha Haswood welds pieces of metal that will eventually turn into a barbecue during Friday’'s Welders Without Borders Welding Thunder Welding Fabrication Team Invitational and Expo 2012 presented by the AWC SkillsUSA Student Chapter. Participants in the two-day event learn about advanced welding and materials-joining technology and how to use these technologies for a variety of welding application in agriculture, industrial and off-road vehicle fabrications.